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HxD
What it is
HxD is a Windows hex editor for working with files, raw disks, and main memory (RAM). Its feature list says it can open and edit files up to 8EB quickly. Search and replace supports Unicode text, hexadecimal values, integers, and floating-point values, with forward, backward, and all-direction search. Editing tools include byte-pattern insertion, file shredding, splitting and concatenation, statistics, and unlimited undo, including for disk and memory edits. The checksum generator includes CRC options, SHA-1, SHA-512, and MD5. HxD can export source code, formatted text, HTML, Richtext, TeX, Intel HEX, and Motorola S-record files. Its disk editor reads and writes hard disks, floppy disks, ZIP disks, USB flash drives, CDs, and other drives. Binary comparison and clipboard compatibility with other hex editors are also listed. HxD is free for private and commercial use and has installable and portable editions. Disk editing requires appropriate privileges; on Windows Vista and later, a disk must be unmounted before writing.
For and against
For
- Free for private and commercial use.
- Supports files listed up to 8EB.
- Includes unlimited undo for disk and memory edits.
- Available as installable and portable editions.
Against
- Disk editing requires appropriate privileges.
- Vista and later require disks to be unmounted before writing.
- Available for Windows only.
The verdict
HxD combines file editing with disk and memory tools, plus a broad set of search, export, and checksum options. Users planning disk writes should account for the privilege and unmounting requirements.
Who it suits
HxD suits Windows users who need to inspect or edit file contents, disks, or memory. Its free private and commercial use may also suit users seeking a no-cost hex editor.
Plans and prices
HxD
Free for private and commercial use · Windows
Read 3 Oct 2026 · mh-nexus.de
On the record
- Checksums
- The checksum generator includes Checksum, CRCs, Custom CRC, SHA-1, SHA-512, and MD5.mh-nexus.de · read 3 Oct 2026
- Clipboard compatibility
- The page lists clipboard support for other hex editors including Visual Studio/Visual C++, WinHex, HexWorkshop, and RegEdit.mh-nexus.de · read 3 Oct 2026
- Compatibility
- The listed current version is 2.5.0.0 for Windows XP, 2003, Vista, 7, 8, or 10.mh-nexus.de · read 3 Oct 2026
- Disk editing requirements
- On Windows NT/2000/XP/2003/Vista/7 and higher, disk editing requires administrator rights or appropriate privileges; beginning with Vista, a disk must be unmounted before writing.mh-nexus.de · read 3 Oct 2026
- Disk editor
- The disk editor supports raw reading and writing of hard disks, floppy disks, ZIP disks, USB flash drives, CDs, and other drives.mh-nexus.de · read 3 Oct 2026
- Download integrity
- The download page provides SHA-1 and SHA-512 file signatures.mh-nexus.de · read 3 Oct 2026
- Editing features
- It includes searching and replacing, exporting, checksums and digests, byte pattern insertion, file shredding, splitting and concatenation, and statistics.mh-nexus.de · read 3 Oct 2026
- Editions
- HxD is available as installable and portable editions; the portable edition can run with minimal privileges and writes only into its selected folder during setup.mh-nexus.de · read 3 Oct 2026
- Export formats
- HxD exports source code, formatted text, HTML, Richtext, TeX, Intel HEX, and Motorola S-record files.mh-nexus.de · read 3 Oct 2026
- File size
- The features list says files up to 8EB can be opened and edited quickly.mh-nexus.de · read 3 Oct 2026
- License
- The license permits free use for any purpose, including commercial applications, and redistribution subject to its conditions; selling HxD itself is not allowed.mh-nexus.de · read 3 Oct 2026
- Plugin framework
- The maker’s site says the open source data inspector plugin framework supports plugins written in C, C++, Delphi, or another language that can use a C API interface.mh-nexus.de · read 3 Oct 2026
- Purpose
- HxD is a hex editor that also edits raw disks and main memory (RAM), and handles files of any size.mh-nexus.de · read 3 Oct 2026
- Search
- Search and replace supports text including Unicode, hex values, integers, and floats, with forward, backward, and all directions.mh-nexus.de · read 3 Oct 2026
- Undo
- The product page lists unlimited undo, including for disk and memory edits.mh-nexus.de · read 3 Oct 2026
